Shell Programming and Scripting

DT=`ls -ltr | tail -1 | awk '{print $5 $6}'` | date %Y%m%d # getting the date part from ls -ltr
echo ${DT} # prints the date
DT_2=DT # copying to another variable
echo ${DT_2 } # prints nothing

DT=`ls -ltr | tail -1 | awk '{print $5 $6}'`
echo ${DT} # prints the date
DT_2=$DT # copying to another variable
echo ${DT_2} # prints nothing # removed space before }

ls -ltr | tail -1

uname -a

dte=`echo ls -ltr` | tail -1 | awk '{print $6 $7}' | date +%Y%m%d
echo ${dte}
bate=${dte}
echo bate value is ${bate}
cycle=20100702
if [[ ${bate} -gt ${cycle} ]]
then
echo VALIDATE
else
echo DO NOT VALIDATE
fi